Black Box RS-232 Data Sharer, 2-Port (in Metal Case)

Reduce line costs in your RS-232 system by using a BLACK BOX® RS-232 Data Sharer to connect two devices to a single modem and phone line.

The RS-232 Data Sharer features transparent operation up to 64 kbps and convenient LED monitoring. Front-panel switches enable and disable RTS on each input port.

It features antistreaming circuitry to lock out any port the instant it begins to stream.

The RS-232 Data Sharer is compatible with various popular IBM communications protocols, such as half-duplex Bisynchronous Communication and Synchronous Data Link Control (SDLC).

• Synchronous and asynchronous data transmission.
• 15 kV ESD protection.
• Data rates up to 128 Kbps.
• Fully cascadable.
• Individual subchannel enable/disable switches.
• Transparent to data.
• Increases network efficiency.